Finding the Fourth Proportional to 92,446.97, 138,691.23 and 29,270.87
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Solution
The fourth proportional to 92,446.97, 138,691.23 and 29,270.87 is: 43,912.88
Step by Step Solution
- Step 1: Write the proportion equation
92,446.97 : 138,691.23 = 29,270.87 : x - Step 2: Convert to fraction form
92,446.97/138,691.23 = 29,270.87/x - Step 3: Cross multiply
92,446.97x = 138,691.23 × 29,270.87 - Step 4: Simplify right side
92,446.97x = 4,059,612,270.01 - Step 5: Solve for x
x = 4,059,612,270.01/92,446.97 - Step 6: Final answer
x = 43,912.88
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.